Hsd4 DTH Hammer ( SD4 ) Hjg Drill

China Hsd4 DTH Hammer (SD4) Hjg Drill, Find details about China DTH Hammer, Rock Drilling from Hsd4 DTH Hammer (SD4) Hjg Drill

Model NO.
SD4 HJG drill
Trademark
HJG
Origin
China
HS Code
84123100
Model NO.
SD4 HJG drill
Trademark
HJG
Origin
China
HS Code
84123100
It is a kind of valveless high air pressure DTH Hammer with foot valve.

It has the following advantages:
1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Length(exclude bit)Weight(exclude bit)External DiameterBit ShankHole RangeConnection Thread
1084 mm40.50 kg Φ99 mm  SD4Φ110mm _ Φ135mm API 2 3/8'' Reg
Working PressureImpact rate at 0.5 MPaRecommended Rotary SpeedAir Consumption
1.0 MPa1.8 MPa 2.4 MPa
1.0 - 2.5 MPa27 Hz25-40 rpm6 m³/min 10 m³/min15 m³/min 

Hsd4 DTH Hammer (SD4) Hjg Drill
Hsd4 DTH Hammer (SD4) Hjg Drill
Hsd4 DTH Hammer (SD4) Hjg Drill